Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
56% | 44% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↓ 1,800 | 56% |
| ↑ 2,000 | 15% |
| ↓ 1,700 | 13% |
| ↑ 2,100 | 5% |
| ↓ 1,600 | 4% |
| ↑ 2,200 | 2% |
| ↓ 1,500 | 2% |
| ↑ 2,500 | 1% |
| ↑ 2,400 | 1% |
| ↑ 2,300 | 1% |
| ↓ 1,400 | 1% |
| ↑ 2,600 | 0% |
| ↓ 1,300 | 0% |
| ↓ 1,200 | 0% |
Market context
Ethereum’s price for the first week of August is being judged against a market that is still trading in a relatively tight band, with prediction-site models mostly clustering around the low-to-mid $2,000s rather than any sharp breakout. Current public forecasts for August 2026 span roughly $1,700 to $3,400, while one market snapshot shows ETH near $1,855–$1,865 on 3 August and other prediction markets place the most likely outcomes below $2,100, which helps explain why a higher strike on this contract can carry little or no implied probability when spot is subdued.[1][7][12][18]
For framing, ETH has often needed either a clear Bitcoin-led risk rally or a specific Ethereum catalyst to move through successive round-number barriers, and prediction markets tend to reprice quickly when spot, funding and liquidity turn together. Recent coverage points to traders watching a CLARITY Act timetable, Federal Reserve repricing, ETF flow momentum and stablecoin liquidity on venues such as Binance; those same reports also note that ETH has been range-bound around the high-$1,800s to low-$2,000s, with upside often tied to reclaiming moving-average resistance and downside linked to repeated rejection at trendline support.[8][15]
The key near-term catalysts are therefore mechanical rather than narrative: spot demand on major exchanges, perpetual funding rates, and whether whale or treasury flows add depth after recent stablecoin repositioning.[8] If BTC strengthens first, ETH usually benefits through beta; if BTC weakens or funding gets crowded, ETH can lag even without any Ethereum-specific news. Any shift in ETF inflows, Layer-2 activity, or policy headlines before the settlement window closes will matter more than long-range price forecasts, because this market settles on whether the target was touched, not where ETH ends the week.[8][19]
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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